Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Dissolved oxygen in water Turbidity in water Hardness in water Residual chlorine in water Dissolved oxygen in water Turbidity in water Hardness in water Residual chlorine in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Good quality of water Hotter climate Use of metering system Better standard of living of the people Good quality of water Hotter climate Use of metering system Better standard of living of the people ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The overflow rate for plain sedimentation tanks is about 1250 to 1500 liters/hour/m² 500 to 750 liters/hour/ m² 1500 to 2000 liters/hour/m² 1000 to 1250 liters/hour/ m² 1250 to 1500 liters/hour/m² 500 to 750 liters/hour/ m² 1500 to 2000 liters/hour/m² 1000 to 1250 liters/hour/ m² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Sodium sulphate Sodium chloride Calcium chloride Copper sulphate Sodium sulphate Sodium chloride Calcium chloride Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness The effluent cannot be reduced to zero hardness Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness The effluent cannot be reduced to zero hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used To increase the filtration slow sand filters capacity of To increase the filtration rapid sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming To increase the filtration slow sand filters capacity of To increase the filtration rapid sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming ANSWER DOWNLOAD EXAMIANS APP